SEM^™ 658D

Key Information

Category Wheel loaders

Nominal Payload 5,000 kg

Operating weight in operation 17,158 kg

Bucket capacity 2.6 - 4.0 m³

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Overview
Specifications
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Key Features

Overview

Reliability

Robust heavy-duty frame design, Caterpillar-designed EH transmission and in-house manufactured axle for longer life

Productivity

EH-controlled transmission with KD function and automatic speed, optimized matching of TC and engine for an 8% improvement in tractive force

Fuel consumption

Optimized transmission flow to save fuel, electric fan and unique load-sensing hydraulic system for reduced fuel consumption

Comfort

Good visibility, low noise design with premium 5-way adjustable premium seat for first-class operating comfort

Engine

E-fan make fuel consumption better, 3 speeds auto-selection depend on coolant temperature 3 stages air cleaner with 93% efficiency pre-cleaner reduce earlier wearing, high efficiency fuel filter make engine work in good condition Cat technology damping mount reduce vibration failure. Four air valves delivers robust power Radial seal air filter makes the maintenance easier and with good reliability

Hydraulic System

Single load sensing system, high productivity and high fuel efficiency Piston pump, lower heat load contribution and provide more rim pull when hydraulic partial working Less hydraulic oil capacity required because provide flow depends on demand

Operator Station

Mould formed cab with all trims design and more vents with HVAC make operator feel better First class premium seat with suspension adjustable, arm rest and safety belt. Up-down, forward and reverse adjustable Caterpillar method design damping mount reduce vibration failure Slide window, fresh air inlet system make environment better

Drivetrain

Improve transmission oil system efficiency, machine fuel consumption reduced marc mount reduce vibration Made in house axle well fitted heavy duty application Caterpillar design drive shaft and block bearing make machine more reliable

Cooling System

High performance aluminum cooling package suitable for most severity applications Oil cooler and radiator parallel design can balance heat load inside and suitable diversity applications Damping design reduce vibration failure High ambient 50°C cooling package make machine reliability better

Solid Structure

Validated by Cat method FEA (Finite Element Analysis) and OMSA (On Machine Stress Analysis) Middle articulation frame less work space needed, reduce tire wearing and fuel consumption Large thread design in articulation section improves load capacity

Serviceability

Quick pressure test ports on hydraulic (SOS) and brake air lines make diagnose easier Large wing hood door make service easier, approach to air cleaner, fuel filters and oil filters Large thread design in articulation section make operator easier to approach Air tank with pressured air tap provide more convenience for service and maintenance

Safety

High decibel beacon and backup alarm make person around easy to attention 3 stages alarm system on panel make operator easy to notice 3 points touch entering and exit cab make operator more safely

Machine Applications

Landscaping, building, sewer/water tie-in, local utility construction Ready mix cement/concrete products, quarry/stone, clay, recycled aggregate, sand and gravel Highway, street, tunnel, airport, residential commercial

Product Specifications for 658D

Model
- ModelSEM658D - Cummins
Main Specifications
- Rated Payload5,000kg
- Operating Weight with Standard Bucket17,084kg
- Bucket Capacity2.6-4m³
Operating Specifications
- Breakout Force178kN
- Max. Drawbar Force169KN
Transmission
- Transmission GearsF4/R3
- Torque Converter TypeSingle Stage, 3 Elements
- Maker & TypeSEM160
Axle (Axle, Tire & Brakes)
- Main Reducer typeSpiral Bevel Gear, Single Stage
- Final Drive Reduction TypePlanetary Type,Single Stage
- Rear- oscillation +/-±11°
Engine
- Engine ModelCummins 6LTAA9.3
- Rated Power162kW
- Rated Speed2,200r/min
- Displacement9.3L
- EmissionT2/Stage2
Implement Hydraulic System
- Implement System TypOpen Center
- Hydraulic Cycle Time9.3s
- System Pressure Setting18Mpa
- Raise5.37s
Brake System
- Service BrakeDry&Caliper, Air to Oil Control
- Parking BrakeDrum/Shoe
Service Refill Capacity
- Fuel Tank252L
- Engine Lubricating Oil21L
- Hydraulic System165L
- Transmission Oil45L
Tires
- Size23.5-25
- TypeBias
- Layer16